From November 2016 I am a post-doctoral researcher at the Observatory of Geneva (Department of Astronomy of the University of Geneva) dedicated to the search of extrasolar planets and the study of stellar magnetic activity.

Before that I was a PhD student at the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL). My PhD thesis deals with the search of low mass extrasolar planets using high resolution spectroscopy. It was also focused on the detection and characterization of radial velocity signals induced by stellar activity, which can be easily mistaken for planetary signals.

Up to now my work has resulted in 7 first-author articles, 18 articles as co-author and several talks and posters.

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MAJOR ACHIEVEMENTS

2018

– Participation in the discovery of a cold super-Earth orbiting Barnard’s star (Nature)

Discovery of a system of 2 super-Earths orbiting the nearby K-dwarf HD 176986

– Measurements of rotation periods of 33 M-dwarfs, magnetic cycles in 18 M-dwarfs and activity induced RV signals in 16 M-dwarfs.

– Participation in the discovery of 3 Earth-size planets and 5 super-Earths in the late type stars LP415-17, K2-239 and K2-240.

– Participation in the confirmation of a 2 planets system orbiting the nearby M-dwarf Gl 15 A

2017

Discovery of a 2.8 Earth-masses super-Earth on the inner edge of the habitable zone of the nearby M-dwarf GJ 625

Discovery of a super Earth orbiting the nearby M-dwarf GJ 536

– Characterization of activity induced RV signals in 37 late-type dwarfs

Development of a RV amplitude vs activity relationship for slowly rotating late-type dwarfs

– Participation in the discovery of a super-Earth orbiting the nearby M-dwarf GJ 3942

2016

– Measurement of rotation periods and magnetic cycles of 36 and 47 late-type dwarfs respectively

Discovery of a solar-like cycle in Proxima Centauri

Discovery of several solar-like cycles in fully-convective M-dwarfs

– Participation in the discovery of a system of 2 super-Earths orbiting the nearby M-dwarf GJ 3998

2015

– Measurement of rotation periods of 48 late-type dwarfs

Development of a rotation vs activity relationship for slowly rotating late-type dwarfs

Recalibration of the log R’hk activity proxy for stars with B-V 0.5 to 1.9 (previously B-V 0.6 to 0.9)

 – Participation in the commissioning of the Laser Frequency Comb for HARPS

FIRST AUTHOR ARTICLES

HADES RV Programme with HARPS-N at TNG. VII. Rotation and activity of M-Dwarfs from time-series high-resolution spectroscopy of chromospheric indicators (A&A 05-2018)

The RoPES project with HARPS and HARPS-N. I. A system of super-Earths orbiting the moderately active K-dwarf HD 176986 (A&A 04-2018)

HADES RV Programme with HARPS-N at TNG: V. A super-Earth on the inner edge of the habitable zone of the nearby M-dwarf GJ 625 (A&A 09-2017)

Characterization of the radial velocity signal induced by rotation in late-type dwarfs (MNRAS 05-2017)

A super-Earth orbiting the nearby M dwarf GJ 536 (A&A 01-2017)

Magnetic cycles and rotation periods of late-type stars from photometric time serie (A&A 10-2016)

Rotation periods of late-type dwarf stars from time series high-resolution spectroscopy of chromospheric indicators (MNRAS 05-2015)

ARTICLES AS CO-AUTHOR

Stellar activity analysis of Barnard’s Star: Very slow rotation and evidence for long-term activity cycle (MNRAS Submitted)

A Jovian planet in an eccentric 11.5 day orbit around HD1397 discovered by TESS (A&A Submitted)

A super-Earth planet candidate orbiting at the snow-line of Barnard’s star (Nature 11-2018)

Two planetary systems with transiting Earth-size and super-Earth planets orbiting late-type dwarf stars (MNRAS 10-2018)

The HADES RV programme with HARPS-N@TNG VIII. GL15A: A multiple wide planetary system sculpted by binary interactions (A&A 09-2018)

A system of tree transiting super-Earths in a cool dwarf star (MNRAS 03-2018)

HADES RV Programme with HARPS-N at TNG VI. GJ 3942 b behind dominant activity signals (A&A 12-2017)

The transiting multi-planet system HD3167: a 5.7 MEarth Super-Earth and a 8.3 MEarth mini-Neptune (AJ 08-2017)

Flare activity and photospheric analysis of Proxima Centauri (A&A 10-2017)

The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2 (A&A 05-2017)

The HADES RV Programme with HARPS-N@TNG IV. Time resolved analysis of the Ca ii H&K and Ha chromospheric emission of low-activity early-type M dwarfs (A&A 01-2017)

The HADES RV Programme with HARPS-N@TNG. III. Flux-flux and activity-rotation relationships of early-M dwarfs (A&A 01-2017)

The HADES RV Programme with HARPS-N@TNG II. Data treatment and simulations (A&A 01-2017)

The HADES RV Programme with HARPS-N@TNG – GJ 3998: An early M-dwarf hosting a system of Super-Earths (A&A 10-2016)

Relative stability of two laser frequency combs for routine operations on HARPS and FOCES (SPIE 08-2016)

Is the activity level of HD 80606 influenced by its eccentric planet? (A&A 08-2016)

An eclipsing double-line spectroscopic binary at the stellar/substellar boundary in the Upper Scorpius OB association  (A&A 12-2015)

Stellar parameters of early-M dwarfs from ratios of spectral features at optical wavelengths (A&A 05-2015)

 

TALKS

-The search for habitable Earth-like planets (IAC 2018)

-Tge RoPES project with HARPS and HARPS-N: A system of super-Earths around HD 176986 and future prospects (SEA 2018)

A super-Earth on the inner edge of the habitable zone of GJ 625 (Ewass 2017 / JURA 2017)

-Magnetic cycles and rotation periods of late-type stars (SEA 2016)

-Two super Earths orbiting two nearby M-dwarfs (EWASS 2015)

-The search for Earth-like planets around M-dwarfs (IAC 2014)


POSTERS

-Magnetic cycles and rotation in late type stars (Cool Stars 2018 / SEA 2018)

Rotation Periods, Activity-Indiced RV Signals and Detection of Habitable Planets (JURA 2017)

HARPS-N M-DWARF RV PROGRAM: A Super Earth orbiting a Nearby M-Dwarf (Pathways 2015)

Rotation Periods, Activity-Indiced RV Signals and Detection of Habitable Planets (Pathways 2015)

TRAINING & EXPERIENCE

– Post-doctoral researcher at the Instituto de Astrofísica de Canarias (2019 – …)

– Post-doctoral researcher at the University of Geneva (2016 – 2019)

– PhD in Astrophysics, University of La Laguna (2012 – 2016)

– Master in Astrophysics, University of La Laguna (2012 – 2014)

– Bachelor in Physics, University of Oviedo (2004 – 2011)